Finding the Fourth Proportional to 6,743.61, 10,121.52 and 3,458.99

Step by Step Solution

1. Step 1: Write the proportion equation
   6,743.61 : 10,121.52 = 3,458.99 : x
2. Step 2: Convert to fraction form
   6,743.61/10,121.52 = 3,458.99/x
3. Step 3: Cross multiply
   6,743.61x = 10,121.52 × 3,458.99
4. Step 4: Simplify right side
   6,743.61x = 35,010,185.86
5. Step 5: Solve for x
   x = 35,010,185.86/6,743.61
6. Step 6: Final answer
   x = 5,191.61